1554040265043 has 32 divisors (see below), whose sum is σ = 2493440409600. Its totient is φ = 841033773216.

The previous prime is 1554040265027. The next prime is 1554040265087. The reversal of 1554040265043 is 3405620404551.

It is not a de Polignac number, because 1554040265043 - 2⁴ = 1554040265027 is a prime.

It is a super-2 number, since 2×1554040265043² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1554040264992 and 1554040265010.

It is not an unprimeable number, because it can be changed into a prime (1554040265443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 760480 + ... + 1920002.

It is an arithmetic number, because the mean of its divisors is an integer number (77920012800).

Almost surely, 2^{1554040265043} is an apocalyptic number.

1554040265043 is a deficient number, since it is larger than the sum of its proper divisors (939400144557).

1554040265043 is a wasteful number, since it uses less digits than its factorization.

1554040265043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162911.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 1554040265043 its reverse (3405620404551), we get a palindrome (4959660669594).

The spelling of 1554040265043 in words is "one trillion, five hundred fifty-four billion, forty million, two hundred sixty-five thousand, forty-three".